19677673948 has 6 divisors (see below), whose sum is σ = 34435929416. Its totient is φ = 9838836972.

The previous prime is 19677673937. The next prime is 19677673957. The reversal of 19677673948 is 84937677691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2459709240 + ... + 2459709247.

Almost surely, 2^19677673948 is an apocalyptic number.

It is an amenable number.

19677673948 is a deficient number, since it is larger than the sum of its proper divisors (14758255468).

19677673948 is a wasteful number, since it uses less digits than its factorization.

19677673948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919418491 (or 4919418489 counting only the distinct ones).

The product of its digits is 96018048, while the sum is 67.

The spelling of 19677673948 in words is "nineteen billion, six hundred seventy-seven million, six hundred seventy-three thousand, nine hundred forty-eight".